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Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (81.81 USD): 8Couponsde
Coupon (81.81 USD): MVC8SPRING
Coupon (83.58 USD): BG00c906
(CouponsFromChina.com tip: put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGGRTD715, BGMAYFR715, BG10OFFAFF, BGDEALMAY1, BGMAYSE715, BGMAYTD715, BGISFO15, BGJUFR715, BGwhielabel, BGISJ715, BGJUSE715, BG40715Z, BGJUTD715, BGISFO715, BGisly715, BGiscu715, BGIISDC10, BGPDhome47, BGISDC715, BGCN715, 13f142, BGJUS715, BGISLY75, BGFOLY715, BGPC715, BGISL715, BGTYOC715, BGGEOC715, BGISCO715, BGISWEEK715, BGGROD715, BGISWK715, BGTYOG715, BGTYSE715, BGSPHOME34, BG10OFFAFF1, BGGRST715, BGTYOF715, BGUdb43, BGISdb4, BGISOJ715, BGUbf38, BGPS715, 00c906, BGc9dc39, ADMITAD2212, 2022ACTIESNL, Terence, BGLED2203
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for Multicolor Smart Floor Lamp? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).